For regulations pertaining to the processing of Indian probate matters within the Bureau of Indian Affairs, see 25 CFR part 15. For regulations pertaining to the appeal of decisions of the Probate Hearings Division, Office of Hearings and Appeals, to the Board of Indian Appeals, Office of Hearings and Appeals, see 43 CFR part 4, subpart D. For regulations generally applicable to proceedings before the Hearings Divisions and Appeal Boards of the Office of Hearings and Appeals, see 43 CFR part 4, subpart B.